 |
| |||
| 加热盐 | |||
| heating salt: 23 do fraz, 6 tematyki |
| Chemia | 4 |
| Energia cieplna | 5 |
| Hutnictwo | 2 |
| Ropa / ropa naftowa | 2 |
| Sport | 1 |
| Technika i technologia | 9 |
|
| |||
| 加热盐 | |||
| heating salt: 23 do fraz, 6 tematyki |
| Chemia | 4 |
| Energia cieplna | 5 |
| Hutnictwo | 2 |
| Ropa / ropa naftowa | 2 |
| Sport | 1 |
| Technika i technologia | 9 |